Report for 26425

Name

EXELON-CORPORATION - Exelon Corporation, US

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS6447) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

26425 EXELON-CORPORATION, US

  Adjacency:     4  Upstream:     3  Downstream:     1
  Upstream Adjacent AS list
    AS1321          ANSBB-ASNNET-1, US
    AS23503         CONSTELLATION-ENERGY, US
    AS202           CENTURYLINK-LEGACY-LVLT-202, US
  Downstream Adjacent AS list
    AS23503         CONSTELLATION-ENERGY, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
5073  AS26425        ORG+TRN Originate:      35840 /16.87  Transit:       4096 /20.00 EXELON-CORPORATION, US

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
 7368 AS26425       EXELON-CORPORATION, US                            28     10      4     22      6  21.43%


  Prefix               AS Path                              Aggregation Suggestion
  159.214.124.0/24     6939 3356 202 26425    
  198.29.128.0/19      7018 3356 202 23503 23503 23503 23503 26425   
  198.29.128.0/24      6939 3356 202 26425    
  198.29.160.0/20      7018 3356 202 23503 23503 23503 23503 26425   
  198.29.175.0/24      6939 3356 202 26425    
  198.29.176.0/22      7018 3356 202 23503 23503 23503 23503 26425   
  198.29.177.0/24      6939 3356 202 26425    
  198.29.178.0/23      6939 3356 202 26425  + Announce - aggregate of 198.29.178.0/24 (6939 3356 202 26425) and 198.29.179.0/24 (6939 3356 202 26425)
  198.29.178.0/24      6939 3356 202 26425  - Withdrawn - aggregated with 198.29.179.0/24 (6939 3356 202 26425)
  198.29.179.0/24      6939 3356 202 26425  - Withdrawn - aggregated with 198.29.178.0/24 (6939 3356 202 26425)
  198.29.182.0/23      7018 3356 202 23503 23503 23503 23503 26425   
  198.29.182.0/23      6939 3356 202 26425  + Announce - aggregate of 198.29.182.0/24 (6939 3356 202 26425) and 198.29.183.0/24 (6939 3356 202 26425)
  198.29.182.0/24      6939 3356 202 26425  - Withdrawn - aggregated with 198.29.183.0/24 (6939 3356 202 26425)
  198.29.183.0/24      6939 3356 202 26425  - Withdrawn - aggregated with 198.29.182.0/24 (6939 3356 202 26425)
  198.29.184.0/21      7018 3356 202 23503 23503 23503 23503 26425   
  198.29.184.0/23      6939 3356 202 26425  + Announce - aggregate of 198.29.184.0/24 (6939 3356 202 26425) and 198.29.185.0/24 (6939 3356 202 26425)
  198.29.184.0/24      6939 3356 202 26425  - Withdrawn - aggregated with 198.29.185.0/24 (6939 3356 202 26425)
  198.29.185.0/24      6939 3356 202 26425  - Withdrawn - aggregated with 198.29.184.0/24 (6939 3356 202 26425)
  198.29.190.0/23      6939 3356 202 26425    
  198.29.192.0/19      7018 3356 202 23503 23503 23503 23503 26425   
  198.29.194.0/23      6939 3356 202 26425    
  198.29.196.0/23      6939 3356 202 26425    
  198.29.199.0/24      6939 3356 202 26425    
  198.29.224.0/20      7018 3356 202 23503 23503 23503 23503 26425   
  198.29.230.0/23      6939 3356 202 26425    
  198.29.232.0/21      6939 3356 202 26425  + Announce - aggregate of 198.29.232.0/22 (6939 3356 202 26425) and 198.29.236.0/22 (6939 3356 202 26425)
  198.29.232.0/22      6939 3356 202 26425  - Withdrawn - aggregated with 198.29.236.0/22 (6939 3356 202 26425)
  198.29.236.0/23      6939 3356 202 26425  - Withdrawn - aggregated with 198.29.238.0/23 (6939 3356 202 26425)
  198.29.238.0/24      6939 3356 202 26425  - Withdrawn - aggregated with 198.29.239.0/24 (6939 3356 202 26425)
  198.29.239.0/24      6939 3356 202 26425  - Withdrawn - aggregated with 198.29.238.0/24 (6939 3356 202 26425)
  198.29.252.0/23      7018 3356 202 23503 23503 23503 23503 26425   
  198.29.253.0/24      6939 3356 202 26425    

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS26425   18 More Specifics   19 Total Advertisements   EXELON-CORPORATION, US
    198.29.128.0/24               198.29.128.0/18
    198.29.175.0/24               198.29.128.0/18
    198.29.177.0/24               198.29.128.0/18
    198.29.178.0/24               198.29.128.0/18
    198.29.179.0/24               198.29.128.0/18
    198.29.180.0/24               198.29.128.0/18
    198.29.181.0/24               198.29.128.0/18
    198.29.182.0/24               198.29.128.0/18
    198.29.190.0/23               198.29.128.0/18
    198.29.194.0/23               198.29.192.0/19
    198.29.196.0/23               198.29.192.0/19
    198.29.199.0/24               198.29.192.0/19
    198.29.230.0/23               198.29.224.0/20
    198.29.232.0/22               198.29.224.0/20
    198.29.236.0/23               198.29.224.0/20
    198.29.238.0/24               198.29.224.0/20
    198.29.239.0/24               198.29.224.0/20
    198.29.253.0/24               198.29.252.0/23
    159.214.124.0/24              159.214.0.0/17
    198.29.128.0/19               198.29.128.0/18
    198.29.160.0/20               198.29.128.0/18
    198.29.176.0/22               198.29.128.0/18
    198.29.182.0/23               198.29.128.0/18
    198.29.184.0/21               198.29.128.0/18

Prefixes added and withdrawn by this origin AS in the past 7 days.

    + 198.29.180.0/24             Announced
    + 198.29.181.0/24             Announced
    + 216.99.176.0/20             Announced
    - 159.214.124.0/24            Withdrawn
    - 198.29.128.0/19             Withdrawn
    - 198.29.160.0/20             Withdrawn
    - 198.29.176.0/22             Withdrawn
    - 198.29.182.0/23             Withdrawn
    - 198.29.184.0/21             Withdrawn
    - 198.29.192.0/19             Withdrawn
    - 198.29.224.0/20             Withdrawn
    - 198.29.252.0/23             Withdrawn

Whois Entry

whois: 402590

IANA has recorded AS26425 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS26425\n             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #
             
             
             ASNumber:       26425
             ASName:         EXELON-CORPORATION
             ASHandle:       AS26425
             RegDate:        2002-09-15
             Updated:        2016-08-08
             Ref:            https://rdap.arin.net/registry/autnum/26425
             
             
             OrgName:        Exelon Corporation
             OrgId:          EXELO
             Address:        10 S Dearborn St
             City:           Chicago
             StateProv:      IL
             PostalCode:     60603
             Country:        US
             RegDate:        2002-09-12
             Updated:        2019-02-26
             Ref:            https://rdap.arin.net/registry/entity/EXELO
             
             
             OrgNOCHandle: NOC1756-ARIN
             OrgNOCName:   Network Operations Center
             OrgNOCPhone:  +1-888-232-4800 
             OrgNOCEmail:  netadmin2@exeloncorp.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC1756-ARIN
             
             OrgAbuseHandle: NOC1756-ARIN
             OrgAbuseName:   Network Operations Center
             OrgAbusePhone:  +1-888-232-4800 
             OrgAbuseEmail:  netadmin2@exeloncorp.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC1756-ARIN
             
             OrgTechHandle: NOC1756-ARIN
             OrgTechName:   Network Operations Center
             OrgTechPhone:  +1-888-232-4800 
             OrgTechEmail:  netadmin2@exeloncorp.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NOC1756-ARIN
             
             RAbuseHandle: NOC1756-ARIN
             RAbuseName:   Network Operations Center
             RAbusePhone:  +1-888-232-4800 
             RAbuseEmail:  netadmin2@exeloncorp.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/NOC1756-ARIN
             
             RTechHandle: NOC1756-ARIN
             RTechName:   Network Operations Center
             RTechPhone:  +1-888-232-4800 
             RTechEmail:  netadmin2@exeloncorp.com
             RTechRef:    https://rdap.arin.net/registry/entity/NOC1756-ARIN
             
             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #